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US3301948A Expired / Lapsed US ⏱️ 0.0 years remaining

Facsimile apparatus

Assignee: Individual
•
Filing: 1963-09-11
•
Granted: 1967-01-31
•
Expires: 1983-09-11
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Abstract

No abstract record available.

Inventors

  • 👤 Joachim H Todt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 13:36
CPC Classifications
G; G03; G03G; G03G19/00; H; H04; H04N; H04N1/00; H04N1/024; H04N1/032; H04N1/0326; H04N1/23; H04N1/27

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 242 words
FACSIMILE APPARATUS COMPRISING: (A) A PLURALITY OF PHOTOSENSITIVE DEVICES ADAPTED TO SCAN AN IMAGE FORMED ON A SMOOTH SURFACE MEDIUM, SAID PHOTOSENSITIVE DEVICES DISPOSED IN COMMUNICATING RELATIONSHIP WITH SUCH MEDIUM AND ALIGNED IN A ROW TRANSVERSE TO THE DIRECTION OF MOVEMENT OF SUCH MEDIUM; (B) A DRUM ROTATABLY MOUNTED AND HAVING A HOMOGENEOUS MAGNETIC RECORDING SURFACE OF HIGH RETENTIVE MAGNETIC MATERIAL FOR RECEIVING AND RETAINING A PLURALITY OF MAGNETIC TRACKS FORMED THEREIN; (C) A PLURALITY OF SINGLE POLE RECORDING STYLI OF LOW LOSS MAGNETIC MATERIAL ALIGNED RADIALLY WITH RESPECT TO SAID DRUM AND DISPOSED IN A ROW TRANSVERSELY THERETO AND IN SPACED RELATION THEREFROM TO FORM AN AIR GAP AND PRODUCE A CORRESPONDING NUMBER OF MAGNETIC TRACKS ON SAID DRUM; (D) A PLURALITY OF CURRENT AMPLIFYING DEVICES ELECTRICALLY CONNECTED BETWEEN SAID PLURALITY OF SINGLE POLE READING STYLI AND THE CORRESPONDING PLURALITY OF PHOTOSENSITIVE DEVICES; (E) A SOURCE OF VISIBLE FINE MAGNETIC PARTICLES DISPOSED IN COMMUNICATING RELATIONSHIP WITH SAID DRUM TO FORM VISIBLE IMAGES CREATED BY SAID MAGNETIC PARTICLES ADHERING TO SAID PLURALITY OF MAGNETIC TRACKS FORMED IN SAID MAGNETIC RECORDING SURFACE OF SAID DRUM; (F) AND A PRESSURE CONTROL DEVICE DISPOSED IN COMMUNICATING RELATIONSHIP WITH SAID DRUM AND ADAPTED TO HAVE AN IMAGE TRANSFER MEDIUM PASS BETWEEN SAID DRUM AND SAID PRESSURE CONTROL DEVICE, SAID DEVICE URGING SUCH TRANSFER MEDIUM INTO IMAGE RECEIVING RELATIONSHIP SO THAT THE IMAGE ON SAID DRUM IS TRANSFERRED TO SUCH TRANSFER MEDIUM WHEN SAID DRUM IS ROTATED.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-30 1970-08-01 1971-01-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-30 1974-08-01 1975-01-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-30 1978-08-01 1979-01-31 $7700.00 Window Closed / Lapsed

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